Which of the following factors control the design of a fluid-solid reactor ?

Related Mcqs:

Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation ?

A. Langmuir’s assumption applies to every adsorbed layer B. There is no dynamic equilibrium between successive layer C. The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process D. None of these...

Arrhenius equation represents graphically the variation between the ______________ and temperature?

A. Rate of reaction B. Frequency factor C. Rate constant D. Activation energy...

Which of the following is not a unit of reaction rate ?

A. Moles for med/(surface of catalyst) (time) B. Moles formed/volume of reactor) (time) C. Mole formed/volume of catalyst) (time) D. None of these...

For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to ____________________?

A. 0 B. 1 C. 0.1 D. 0.5...

The increase in the rate of reaction with temperature is due to__________________?

A. Increase in the number of effective collisions B. Decrease in activation energy C. Increase in the average kinetic energy of the reacting molecules D. None of these...